public void CreateSimpleType()
{
EasyType typebuilder = new EasyType( module, "mytype" );
Type newType = typebuilder.BuildType();
Assert.IsNotNull( newType );
object instance = Activator.CreateInstance( newType );
Assert.IsNotNull( instance );
RunPEVerify();
}
public void CreateSimpleTypeWithConstructor()
{
EasyType typebuilder = new EasyType( module, "mytype" );
ArgumentReference arg1 = new ArgumentReference( typeof(String) );
ArgumentReference arg2 = new ArgumentReference( typeof(int) );
typebuilder.CreateConstructor( arg1, arg2 );
Type newType = typebuilder.BuildType();
Assert.IsNotNull( newType );
object instance = Activator.CreateInstance( newType, new object[] { "message", 10 } );
Assert.IsNotNull( instance );
RunPEVerify();
}
public void EmptyMethodWithEnumTypeRefArg()
{
EasyType typebuilder = new EasyType(module, "mytype");
SByteEnum refArgInst = SByteEnum.Two;
Type refType = GetEnumRefType(ref refArgInst);
Assert.IsTrue(refType.IsByRef);
ArgumentReference refArg = new ArgumentReference(refType);
ReturnReferenceExpression ret = new ReturnReferenceExpression(typeof(int));
EasyMethod emptyMethod = typebuilder.CreateMethod("DoSomething", ret, refArg);
Type newType = typebuilder.BuildType();
Assert.IsNotNull(newType);
object instance = Activator.CreateInstance(newType);
Assert.IsNotNull(instance);
MethodInfo method = instance.GetType().GetMethod("DoSomething");
method.Invoke(instance, new object[] { refArgInst });
Assert.AreEqual(SByteEnum.Two, refArgInst, "Argument made round-trip successfully");
RunPEVerify();
}
public void ArrayRefs()
{
EasyType typebuilder = new EasyType( module, "mytype" );
FieldReference field1 = typebuilder.CreateField( "field1", typeof(object) );
FieldReference field2 = typebuilder.CreateField( "field2", typeof(object) );
ArgumentReference arg = new ArgumentReference( typeof(object[]) );
EasyConstructor constructor = typebuilder.CreateConstructor( arg );
constructor.CodeBuilder.InvokeBaseConstructor();
constructor.CodeBuilder.AddStatement( new AssignStatement(field1,
new LoadRefArrayElementExpression( 0, arg ) ) );
constructor.CodeBuilder.AddStatement( new AssignStatement(field2,
new LoadRefArrayElementExpression( 1, arg ) ) );
constructor.CodeBuilder.AddStatement( new ReturnStatement() );
ReturnReferenceExpression ret1 = new ReturnReferenceExpression(typeof(object));
EasyMethod getField1 = typebuilder.CreateMethod( "GetField1", ret1 );
getField1.CodeBuilder.AddStatement( new ReturnStatement( field1 ) );
ReturnReferenceExpression ret2 = new ReturnReferenceExpression(typeof(object));
EasyMethod getField2 = typebuilder.CreateMethod( "GetField2", ret2 );
getField2.CodeBuilder.AddStatement( new ReturnStatement( field2 ) );
Type newType = typebuilder.BuildType();
object[] innerArgs = new object[] { "hammett", "verissimo" };
object instance = Activator.CreateInstance( newType, new object[] { innerArgs } );
MethodInfo method = instance.GetType().GetMethod("GetField1");
object result = method.Invoke( instance, new object[0] );
Assert.AreEqual( "hammett", result );
method = instance.GetType().GetMethod("GetField2");
result = method.Invoke( instance, new object[0] );
Assert.AreEqual( "verissimo", result );
RunPEVerify();
}
public void CreateMoreComplexCallable()
{
EasyType typebuilder = new EasyType( module, "mytype" );
ArgumentReference arg1 = new ArgumentReference( typeof(int) );
ArgumentReference arg2 = new ArgumentReference( typeof(DateTime) );
ArgumentReference arg3 = new ArgumentReference( typeof(object) );
EasyCallable callable = typebuilder.CreateCallable(
new ReturnReferenceExpression(typeof(string)),
arg1, arg2, arg3 );
FieldReference field1 = typebuilder.CreateField( "field1", callable.TypeBuilder );
SimpleCallback sc = new SimpleCallback();
ArgumentReference arg = new ArgumentReference( typeof(SimpleCallback) );
EasyConstructor constructor = typebuilder.CreateConstructor( arg );
constructor.CodeBuilder.InvokeBaseConstructor();
constructor.CodeBuilder.AddStatement( new AssignStatement(field1,
new NewInstanceExpression( callable,
arg.ToExpression(),
new MethodPointerExpression( arg, typeof(SimpleCallback).GetMethod("RunAs") ) ) ) );
constructor.CodeBuilder.AddStatement( new ReturnStatement() );
arg1 = new ArgumentReference( typeof(int) );
arg2 = new ArgumentReference( typeof(DateTime) );
arg3 = new ArgumentReference( typeof(object) );
ReturnReferenceExpression ret1 = new ReturnReferenceExpression(typeof(string));
EasyMethod getField1 = typebuilder.CreateMethod( "Exec", ret1, arg1, arg2, arg3 );
getField1.CodeBuilder.AddStatement(
new ReturnStatement(
new ConvertExpression( typeof(String),
new MethodInvocationExpression( field1,
callable.Callmethod,
new ReferencesToObjectArrayExpression(arg1, arg2, arg3) ) ) ) );
Type newType = typebuilder.BuildType();
RunPEVerify();
object instance = Activator.CreateInstance( newType, new object[] { sc } );
MethodInfo method = instance.GetType().GetMethod("Exec");
object result = method.Invoke( instance, new object[] { 1, DateTime.Now, "" } );
Assert.AreEqual( "hello2", result );
}
public void Conditionals()
{
EasyType typebuilder = new EasyType( module, "mytype" );
FieldReference cachefield = typebuilder.CreateField( "cache", typeof(IDictionary) );
ArgumentReference arg = new ArgumentReference( typeof(bool) );
EasyConstructor constructor = typebuilder.CreateConstructor( arg );
constructor.CodeBuilder.InvokeBaseConstructor();
ConditionExpression exp = new ConditionExpression(OpCodes.Brtrue_S, arg.ToExpression());
exp.AddTrueStatement( new AssignStatement(cachefield,
new NewInstanceExpression( typeof(HybridDictionary), new Type[0] ) ) );
exp.AddFalseStatement( new AssignStatement(cachefield,
new NewInstanceExpression( typeof(Hashtable), new Type[0] ) ) );
constructor.CodeBuilder.AddStatement( new ExpressionStatement(exp) );
constructor.CodeBuilder.AddStatement( new ReturnStatement() );
ReturnReferenceExpression ret = new ReturnReferenceExpression(typeof(IDictionary));
EasyMethod getCache = typebuilder.CreateMethod( "GetCache", ret );
getCache.CodeBuilder.AddStatement( new ReturnStatement( cachefield ) );
Type newType = typebuilder.BuildType();
object instance = Activator.CreateInstance( newType, new object[] { true } );
MethodInfo method = instance.GetType().GetMethod("GetCache");
object dic = method.Invoke( instance, new object[0] );
Assert.IsTrue( dic is HybridDictionary );
instance = Activator.CreateInstance( newType, new object[] { false } );
dic = method.Invoke( instance, new object[0] );
Assert.IsTrue( dic is Hashtable );
RunPEVerify();
}
public void BlockWithLock()
{
EasyType typebuilder = new EasyType( module, "mytype" );
FieldReference cachefield = typebuilder.CreateField( "cache", typeof(ArrayList) );
EasyConstructor constructor = typebuilder.CreateConstructor( );
constructor.CodeBuilder.InvokeBaseConstructor();
LockBlockExpression block = new LockBlockExpression( SelfReference.Self );
block.AddStatement( new AssignStatement(cachefield,
new NewInstanceExpression( typeof(ArrayList), new Type[0] ) ) );
constructor.CodeBuilder.AddStatement( new ExpressionStatement(block) );
constructor.CodeBuilder.AddStatement( new ReturnStatement() );
ReturnReferenceExpression ret = new ReturnReferenceExpression(typeof(ArrayList));
EasyMethod getCache = typebuilder.CreateMethod( "GetCache", ret );
getCache.CodeBuilder.AddStatement( new ReturnStatement( cachefield ) );
Type newType = typebuilder.BuildType();
Assert.IsNotNull( newType );
object instance = Activator.CreateInstance( newType, new object[0] );
Assert.IsNotNull( instance );
MethodInfo method = instance.GetType().GetMethod("GetCache");
Assert.IsNotNull( method.Invoke( instance, new object[0] ) );
RunPEVerify();
}
public void MethodInvokingMethod()
{
EasyType typebuilder = new EasyType( module, "mytype" );
ArgumentReference rarg1 = new ArgumentReference(typeof(int));
ArgumentReference rarg2 = new ArgumentReference(typeof(int));
ReturnReferenceExpression rret = new ReturnReferenceExpression(typeof(int));
EasyMethod realCalcMethod = typebuilder.CreateMethod( "RealCalc", rret, rarg1, rarg2 );
realCalcMethod.CodeBuilder.AddStatement(
new ReturnStatement(
new BinaryExpression( BinaryExpression.Add, rarg1.ToExpression(), rarg2.ToExpression() ) ) );
ArgumentReference arg1 = new ArgumentReference(typeof(int));
ArgumentReference arg2 = new ArgumentReference(typeof(int));
ReturnReferenceExpression ret = new ReturnReferenceExpression(typeof(int));
EasyMethod calcMethod = typebuilder.CreateMethod( "Calc", ret, arg1, arg2 );
calcMethod.CodeBuilder.AddStatement(
new ReturnStatement(
new MethodInvocationExpression( realCalcMethod, arg1.ToExpression(), arg2.ToExpression() ) ) );
Type newType = typebuilder.BuildType();
Assert.IsNotNull( newType );
object instance = Activator.CreateInstance( newType, new object[0] );
Assert.IsNotNull( instance );
MethodInfo method = instance.GetType().GetMethod("Calc");
Assert.AreEqual( 2, method.Invoke( instance, new object[] { 1,1 } ) );
Assert.AreEqual( 5, method.Invoke( instance, new object[] { 3,2 } ) );
method = instance.GetType().GetMethod("RealCalc");
Assert.AreEqual( 2, method.Invoke( instance, new object[] { 1,1 } ) );
Assert.AreEqual( 5, method.Invoke( instance, new object[] { 3,2 } ) );
RunPEVerify();
}
public void FieldsStoreAndLoad()
{
EasyType typebuilder = new EasyType( module, "mytype" );
FieldReference field1 = typebuilder.CreateField( "field1", typeof(int) );
FieldReference field2 = typebuilder.CreateField( "field2", typeof(string) );
{
ArgumentReference arg1 = new ArgumentReference(typeof(int));
ArgumentReference arg2 = new ArgumentReference(typeof(string));
EasyConstructor constr = typebuilder.CreateConstructor( arg1, arg2 );
constr.CodeBuilder.InvokeBaseConstructor();
constr.CodeBuilder.AddStatement( new AssignStatement( field1, arg1.ToExpression() ) );
constr.CodeBuilder.AddStatement( new AssignStatement( field2, arg2.ToExpression() ) );
constr.CodeBuilder.AddStatement( new ReturnStatement() );
}
{
ReturnReferenceExpression ret1 = new ReturnReferenceExpression( typeof(int) );
EasyMethod m1 = typebuilder.CreateMethod( "GetField1", ret1 );
m1.CodeBuilder.AddStatement( new ReturnStatement( field1 ) );
ReturnReferenceExpression ret2 = new ReturnReferenceExpression( typeof(string) );
EasyMethod m2 = typebuilder.CreateMethod( "GetField2", ret2 );
m2.CodeBuilder.AddStatement( new ReturnStatement( field2 ) );
}
Type newType = typebuilder.BuildType();
Assert.IsNotNull( newType );
object instance = Activator.CreateInstance( newType, new object[] { 10, "hello" } );
Assert.IsNotNull( instance );
MethodInfo method1 = instance.GetType().GetMethod("GetField1");
MethodInfo method2 = instance.GetType().GetMethod("GetField2");
Assert.AreEqual( 10, method1.Invoke( instance, new object[0] ));
Assert.AreEqual( "hello", method2.Invoke( instance, new object[0] ));
RunPEVerify();
}
public void EmptyMethodReturningInt()
{
EasyType typebuilder = new EasyType( module, "mytype" );
EasyMethod emptyMethod = typebuilder.CreateMethod( "DoSomething",
new ReturnReferenceExpression(typeof(int)) );
Type newType = typebuilder.BuildType();
Assert.IsNotNull( newType );
object instance = Activator.CreateInstance( newType );
Assert.IsNotNull( instance );
MethodInfo method = instance.GetType().GetMethod("DoSomething");
Assert.AreEqual( 0, method.Invoke( instance, new object[0] ) );
RunPEVerify();
}